Knowledge, perception and risk behaviors for HIV transmission among methadone clients in Shanghai, China
Zhang H, Chawarski M, Schottenfeld R. Knowledge, perception and risk behaviors for HIV transmission among methadone clients in Shanghai, China. Drug And Alcohol Dependence 2014, 140: e249. DOI: 10.1016/j.drugalcdep.2014.02.688.Peer-Reviewed Original Research